[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 04/56
ISSUED AT 16/2234Z DECEMBER 2004
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

MODARETLY DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 17-18 DECEMBER 2004 SOUTHERN AUS/NZ REGION ONLY,
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
17 Dec:  very low             None expected        
18 Dec:  very low             None expected        

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
_____________________________________________________________
17 Dec   -5    -15%/normal    2  4  6  8 12 12 16 22 
18 Dec   -5    -15%/normal    2  4  6  8 12 12 16 22 


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